参数资料
型号: S20K300E3K1
厂商: EPCOS Inc
文件页数: 6/22页
文件大小: 0K
描述: VARISTOR 300V RMS 20MM RADIAL
产品目录绘图: S20K(275,300,320,460)E3K1 Front
S20K300E3K1 Side
标准包装: 250
系列: AdvanceD-MP
变阻器电压: 470V
电流 - 浪涌: 12kA
电路数: 1
最大交流电压: 300VAC
最大直流电压: 385VDC
能量: 290J
封装/外壳: 圆盘 20mm
产品目录页面: 2361 (CN2011-ZH PDF)
其它名称: 495-4295
B72220P3301K101
Leaded varistors
SuperioR-MP, S20 series
B722*
Test
Climatic sequence
Rapid change of
temperature
Damp heat, steady state
Test methods/conditions
The specimen shall be subjected to:
a) dry heat at UCT, 16 h, IEC
60068-2-2, test Ba
b) damp heat, 1st cycle:
55 ° C, 93% r. H., 24 h, IEC
60068-2-30, test Db
c) cold, LCT, 2 h, IEC 60068-2-1, test
Aa
d) damp heat, additional 5 cycles:
55 ° C/25 ° C, 93% r. H., 24 h/cycle,
IEC 60068-2-30, test Db.
Then the specimen shall be stored at
room temperature and normal humidity
for 1 to 2 h.
Thereafter, the change of V V shall be
measured. Thereafter, insulation resis-
tance R ins shall be measured at V = 500
V.
IEC 60068-2-14, test Na, LCT/UCT,
dwell time 30 min, 5 cycles
IEC 60068-2-78, test Ca
The specimen shall be subjected to
40 ± 2 ° C, 90 to 95% r. H. for 56 days
without load / with 10% of the maxi-
mum continuous DC operating voltage
V DC . Then stored at room temperature
and normal humidity for 1 to 2 h.
Thereafter, the change of V V shall be
measured. Thereafter, insulation resis-
tance R ins shall be measured at V = 500
V (insulated varistors only).
Requirement
| ? V/V (1 mA)| ≤ 10%
R ins ≥ 100 M ?
| ? V/V (1 mA)| ≤ 5%
No visible damage
| ? V/V (1 mA)| ≤ 10%
R ins ≥ 100 M ?
Please read Cautions and warnings and
Important notes at the end of this document.
Page 6 of 22
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